def test_join(MockABC, simple_config):
# Tests join, stop_and_join and is_alive
s = Server(simple_config)
assert s.is_alive() is True
joining_thread = threading.Thread(target=s.join)
joining_thread.start()
# The server should still be running...
time.sleep(0.05)
assert joining_thread.is_alive()
assert s.is_alive() is True
# When server is stopped, the joining thread should be complete
s.stop_and_join()
assert s.is_alive() is False
joining_thread.join()
